SAN DIEGO — Authorities in San Diego say seven active-duty Marines, seven former Marines and a Navy sailor are among 50 people arrested in a law enforcement sweep that busted up crime rings allegedly dealing in illegal drugs, stolen military gear and cars.

San Diego County District Attorney Bonnie Dumanis announced the 64-count indictment Thursday following an eight-month investigation.

Dumanis says undercover detectives infiltrated the rings across the county and invited suspects to a storefront. The suspects were videotaped selling weapons, stolen cars, cocaine, methamphetamine, and military contraband, including bullet-proof vests, Kevlar helmets, night-vision goggles, gas masks, and more than 10,000 rounds of ammunition and high-capacity magazines.

The case yielded nine firearms and 92 stolen vehicles worth nearly $700,000.

Charges include vehicle theft, gun possession to insurance fraud, among others.